Sodium hydroxide is added to solution M. A reddish-brown precipitate is formed, solution M contains:
Anonymous Quiz
10%
Iron(II) ions
53%
Iron (III) ions
27%
Copper (II) ions
9%
Silver (I) ions
❤2
What mass of aluminum is deposited electrolytically in 30 minutes by a current of 40A ?
Anonymous Quiz
25%
0.672
39%
6. 71
23%
16. 12
13%
0.061
Which one of the following is not considered as addition polymerisation?
Anonymous Quiz
13%
Teflon
20%
Polypropylene
44%
Nylons
23%
Natural rubber
Which one of the following polymerization is correctly matched with its monomer?
Anonymous Quiz
7%
Cellulose ---- amino acid
12%
Protein ---- glucose
68%
Polystyrene ---- styrene
13%
Polypropylene ---- vinyl chloride
The ability of carnivores to survive in an ecosystem is dependent on the availability of prey. This can be considered as
A. catastrophic factor.
B. edaphic factor.
C. abiotic factor.
D. biotic factor.
Write your answer under the comment! 🙏
A. catastrophic factor.
B. edaphic factor.
C. abiotic factor.
D. biotic factor.
Write your answer under the comment! 🙏
Which of the following taxonomic categories of organisms is in the correct sequence?
Anonymous Quiz
6%
Phylum -- family -- class -- genus -- order -- species.
10%
Phylum -- order -- family -- class -- genus -- species.
21%
Phylum -- class -- family -- order -- genus -- species.
63%
Phylum -- class -- order -- family -- genus -- species.
Which of the following is true about kingdom animalia?
Anonymous Quiz
6%
They have cell wall.
9%
They are immobile.
17%
They are autotrophs.
68%
They have nervous system.
👍3❤1
The organisms Rosa abyssinica is a member of the genus:
Anonymous Quiz
29%
Abyssinica
9%
Plantae
49%
Rosa
14%
Angiospermea
👍2
How many ATP is produced during cellular respiration in Krebs cycle?
Anonymous Quiz
20%
36
5%
1
63%
2
12%
No ATP is produced.
How big a force will a charge 2 C experience if an electric field of strength 18N/C?
Anonymous Quiz
26%
9N
62%
36N
9%
20N
4%
16N
❤1
The binomial system of naming developed by Linnaeus comprises two names. Which hierarchical groups are used?
A. Kingdome and species
B. Genus and species
C. Order and family
D. Kingdome and phylum
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A. Kingdome and species
B. Genus and species
C. Order and family
D. Kingdome and phylum
Write your answer under the comment! 🙏
❤5
Which one of the following is the feature of kingdom Monera? Its members are
A. multicellular with cell walls.
B. unicellular without separated nucleus.
C. mainly autotrophic and saprophytic.
D. reproduced by hypha formation.
Write your answer under the comment! 🙏
A. multicellular with cell walls.
B. unicellular without separated nucleus.
C. mainly autotrophic and saprophytic.
D. reproduced by hypha formation.
Write your answer under the comment! 🙏
What is the bond formed between two or more atoms by sharing of electrons?
Anonymous Quiz
7%
Ionic bond
6%
Metallic bond
85%
Covalent bond
2%
Valence bond
🙏1
Which gas law describes the behavior of gases using the variables: temperature, volume, pressure and number of moles?(2017 UEE)
Anonymous Quiz
55%
Ideal gas law
7%
Boyle's law
26%
Avogadro's law
13%
Combined gas law
Which one of the following is an appropriate ending to your letter of complaint to a company?
Anonymous Quiz
16%
Many thanks
12%
Best wishes
13%
All the best
59%
Sincerely
🥰2
Which one of the following could be the right opening to a letter to your close friend?
Anonymous Quiz
10%
I am writing this letter to express my greetings and…
54%
Hi, it’s been a long time since you wrote.
22%
I would like to send you this letter hoping that everything is …
14%
First of all, I would like to apologize for not being able to …
🔥1
Which one of the following could be an ending to your job application letter?
Anonymous Quiz
15%
Warmly,
10%
Best,
54%
Yours truly,
21%
Best wishes,
❤1
The strange creature, a real human being, walks right in front of your eyes. He has a broad chest and shoulders out of which two competing necks and heads emerge.... This is taken from a piece of writing that is most likely:
Anonymous Quiz
4%
Argumentative
13%
Expository
12%
Narrative
71%
Descriptive
❤2🔥1
Which one of the following sentences is most likely taken from an argumentative piece of writing?
Anonymous Quiz
49%
Whether right or wrong, it is up to you to decide.
26%
Better stick to that old-fashioned view. It saves.
11%
This is for producing a new type of medicine for acne.
14%
We all enjoyed the scene, particularly, the greenery.
Which one of the following sentences is most likely taken from an expository piece of writing?
Anonymous Quiz
9%
This kind of computer appears to be better in many ways.
11%
As soon as I get to the office, I turn my computer on.
9%
I have this old but properly functioning computer in my office.
72%
Computers are machines used to key in and save information.